a = {"自行车": 2000, "小汽车": 200000, "卡车": 400000, "菊花茶": 200, "玩具积木": 100, "划水艇": 999999}
def goods(str,**args):
    if str in args:
        print(args[str])
    else:
        print("商场没有此商品")


goods("设计", **a)